Polymer Technology Nylon-66 is a polyamide of Hexamethylene diamine and adipic acid None of these Adipic acid and methyl amine Vinyl chloride and formaldeyde Hexamethylene diamine and adipic acid None of these Adipic acid and methyl amine Vinyl chloride and formaldeyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as Hardeners Anti-shrinkage agents Transparency improver Plasticisers Hardeners Anti-shrinkage agents Transparency improver Plasticisers ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymethyl methacrylate (PMMA) which is also known as perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer. Thermoplastic Thermosetting Linear Glass like transparent Thermoplastic Thermosetting Linear Glass like transparent ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of caprolac-tum is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6. 250-280 50 to 75 -20 to 25 100 to 150 250-280 50 to 75 -20 to 25 100 to 150 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The rate controlling step in the manufacture of silicone rubber is the Polymer termination step Condensation of siloxane to silicone Initial hydrolysis of silicone monomer None of these Polymer termination step Condensation of siloxane to silicone Initial hydrolysis of silicone monomer None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosplastic materials Do not soften on application of heat Are heavily branched molecules Are solvent insoluble None of these Do not soften on application of heat Are heavily branched molecules Are solvent insoluble None of these ANSWER DOWNLOAD EXAMIANS APP